code: def test_fuse_elementwise_ops_4(self, xp):
      def impl(x, y):
          res = 0
          for i in range(10):
              res += x + y
          return res
  
      return impl
  
imports: import unittest
  from unittest import mock
  import cupy
  from cupy import testing
  from cupy_tests.core_tests.fusion_tests import fusion_utils
label_desc: Use image node_id 7 for calling the TestOptimizations obj's underlying member method code with example usage: obj.test_fuse_elementwise_ops_4(xp) and returns: impl, res